Analysis

  • max time kernel
    31s
  • max time network
    68s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    02/11/2020, 15:38

General

  • Target
    bb12150fd82dd524055d932123c638de.exe
  • Size 618KB
  • Sample201102-aqap2shv4n
  • SHA256 7e1b96872b00e3bfa44ccedf1447a0ea1effdc0823da23e78cf02358f78ce0e4
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 8 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb12150fd82dd524055d932123c638de.exe
    "C:\Users\Admin\AppData\Local\Temp\bb12150fd82dd524055d932123c638de.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:632
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 760
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3980
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 868
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:412
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 1212
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:936
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 1572
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3008
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 1540
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3456
    • C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exe
      bestof.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2272
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:732
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4052
          • C:\Windows\SysWOW64\PING.EXE
            ping 127.0.0.1 -n 3
            5⤵
            • Runs ping.exe
            PID:2880
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 1656
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2588
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 1904
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3968
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 1928
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3748

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/412-9-0x00000000050E0000-0x00000000050E1000-memory.dmp

        memory/412-6-0x0000000004AB0000-0x0000000004AB1000-memory.dmp

        memory/632-1-0x0000000002A40000-0x0000000002A41000-memory.dmp

        memory/632-0-0x00000000026F9000-0x00000000026FA000-memory.dmp

        memory/732-35-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/732-39-0x0000000002D60000-0x0000000002D61000-memory.dmp

        memory/732-46-0x0000000005510000-0x0000000005532000-memory.dmp

        memory/732-51-0x0000000005680000-0x0000000005681000-memory.dmp

        memory/732-50-0x0000000005600000-0x0000000005601000-memory.dmp

        memory/732-58-0x0000000007520000-0x0000000007521000-memory.dmp

        memory/732-57-0x0000000007240000-0x0000000007241000-memory.dmp

        memory/732-54-0x0000000007570000-0x0000000007571000-memory.dmp

        memory/732-59-0x0000000008A10000-0x0000000008A11000-memory.dmp

        memory/732-52-0x0000000005910000-0x0000000005911000-memory.dmp

        memory/732-42-0x0000000005B80000-0x0000000005B81000-memory.dmp

        memory/732-41-0x0000000005490000-0x00000000054B4000-memory.dmp

        memory/732-53-0x0000000006E70000-0x0000000006E71000-memory.dmp

        memory/732-49-0x0000000005620000-0x0000000005621000-memory.dmp

        memory/732-56-0x00000000071C0000-0x00000000071C1000-memory.dmp

        memory/732-48-0x0000000006690000-0x0000000006691000-memory.dmp

        memory/732-55-0x0000000007120000-0x0000000007121000-memory.dmp

        memory/732-38-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/732-40-0x0000000072F20000-0x000000007360E000-memory.dmp

        memory/936-10-0x0000000004450000-0x0000000004451000-memory.dmp

        memory/936-13-0x0000000004B80000-0x0000000004B81000-memory.dmp

        memory/2272-26-0x00000000007B0000-0x00000000007B1000-memory.dmp

        memory/2272-25-0x0000000072F20000-0x000000007360E000-memory.dmp

        memory/2588-28-0x0000000004450000-0x0000000004451000-memory.dmp

        memory/2588-31-0x0000000004D00000-0x0000000004D01000-memory.dmp

        memory/3008-17-0x0000000004D10000-0x0000000004D11000-memory.dmp

        memory/3008-14-0x00000000045E0000-0x00000000045E1000-memory.dmp

        memory/3456-18-0x0000000004A20000-0x0000000004A21000-memory.dmp

        memory/3456-21-0x0000000005250000-0x0000000005251000-memory.dmp

        memory/3748-43-0x0000000004450000-0x0000000004451000-memory.dmp

        memory/3968-36-0x0000000005560000-0x0000000005561000-memory.dmp

        memory/3968-32-0x0000000004C30000-0x0000000004C31000-memory.dmp

        memory/3980-5-0x0000000004F90000-0x0000000004F91000-memory.dmp

        memory/3980-3-0x0000000004960000-0x0000000004961000-memory.dmp

        memory/3980-2-0x0000000004960000-0x0000000004961000-memory.dmp